Daemon'orops (Cal'amus) Dra'co, Draconis Resina (Dragon's Blood). -- Borneo, Sumatra. A spontaneous resinous exudation from the ripening fruit; occurs in tears, globular pieces 4 Cm. (1 3/5') thick, cylindrical sticks .3 M. (12') long, or in irregular cakes, dark brown, inside bright red, fracture dull, irregular, inodorous; when heated aromatic like benzoin, tasteless; contains red resin (draconin), benzoic acid or cinnamic acid, or both wanting, dracoresinotannol, dracoresin, dracoalban, ash 8-9 p.c. Mild stimulant, astringent. Used in tooth powders, plasters, varnishes.